Square funnel



FIG. 1 is a front perspective view as seen from above and to one side showing our design;

FIG. 2 is a side elevational view of the design, the design being the same when viewed from each of its four sides;

FIG. 3 is a top plan view of the design; and,

FIG. 4 is a bottom plan view of the design. 

The ornamental design for a square funnel, as shown and described. 